Early Journal Content on JSTOR, Free to Anyone in the World
This article is one of nearly 500,000 scholarly works digitized and made freely available to everyone in
the world by JSTOR.
Known as the Early Journal Content, this set of works include research articles, news, letters, and other
writings published in more than 200 of the oldest leading academic journals. The works date from the
mid-seventeenth to the early twentieth centuries.
We encourage people to read and share the Early Journal Content openly and to tell others that this
resource exists. People may post this content online or redistribute in any way for non-commercial
Read more about Early Journal Content at http://about.jstor.org/participate-jstor/individuals/early-
JSTOR is a digital library of academic journals, books, and primary source objects. JSTOR helps people
discover, use, and build upon a wide range of content through a powerful research and teaching
platform, and preserves this content for future generations. JSTOR is part of ITHAKA, a not-for-profit
organization that also includes Ithaka S+R and Portico. For more information about JSTOR, please
( 270 )
\l\. An Enquiry into a DifcoVery, /aid to have been
made by Signor Valfalva of Bologna, of an Ex-
cretory Duel from the Gland u la Renal is to the
Epididymis. <By Mr, John Ranby, Surgeon,
THE late learned Signor Valfalva having fome Time
ago difcover'd a Veffel, which he took to be an
Excretory Dud going from the Glandula Renalis, to
the Epididymis in Men, and the Ovarium in Women;
anAccount whereof was publiuYd in the Giorn. de Lit-
terati, 1719. and afterwards inferted into the Thilofo-
fhical Tranfatlions N°385. I lately procur'd a hu-
man Body, in order to fearch for it, which I did with
all the Diligence I was capable of. I was not fo happy
as todifcover any Dud of this Kind, but,having injeded
the Aorta, I found the Arteries going to the Glandula
Renales difpos'd, as hath been represented according to
the Life, in the annexed Figure. Now whether that
Branch of the Artery, which from the GlandulaRenales
goes down on both Sides towards the Tefticies, without
fupplying any of the neighbouring Parts, might not have
been miftafcen by the abovementroned learned Anafomift
for an Excretory Dud, all Arteries being generally in
dead Bodies free from Blood, and of a whitifh Colour,
I will not prefume at prefent to determine, for Want of
( 271 )
A A The right Kidney.
BB The left Kidney.
C C The defcending Trunk of the Aorta.
D The right emulgent Artery.
E. The left emulgent Artery.
F The right Glandula Renalis.
G G The right fpermatick Artery.
H The left Glandula Renalis.
1 1 The left fpermatick Artery.
K K The Ureters.
a a A fmall Artery arifingoutof thedefcendingTrurik
df the Aorta, a little above the right emulgent Artery.
It fends two Branches b b upwards to fupply the right
Glandula Renalis. A third Branch c c goes downwards
towards the right fpermatick Artery G G, and then fur-
ther in Company with the fame to the right Tefticle.
d d A fmall Artery arifing out of the left emulgent
Artery, near the defcending Trunk of the Aorta, and
going direclly upwards to the left Glandula Renalis H.
e e A fmall Artery arifing out of the defcending
Trunk of the Aorta, a' little below the left emulgent
Artery. It divides into two Branches, one whereof//
goes upwards between the emulgent Artery and Vein
to the left Glandula Renalis, the other gg downwards,
towards the left fpermatick Artery, and in Company with
the fame to the left Tefticle.
Vol. XXXIII. Q„q IV. An